Rank #5,269Updated November 10, 2026
chop.edu
Welcome | Children's Hospital of Philadelphia
The site runs on Drupal, Varnish, Fastly and 7 other technologies. Its email security grade is A. Its SSL certificate is issued by Let's Encrypt and is valid for 62 more days.
- Domain age
- —
- Technologies
- 10
- Email security
- A
- SSL days left
- 62
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 23.185.0.3 | 120 |
| MX | chop-edu.mail.protection.outlook.com 10 | 120 |
| NS | extdns1.chop.edu | 120 |
| NS | extdns3.chop.edu | 120 |
| NS | zcnplecns001.chop.edu | 120 |
| NS | extdns2.chop.edu | 120 |
| NS | ze2plecns001.chop.edu | 120 |
| TXT | cisco-ci-domain-verification=4204fca293f1aa4ea778951076f37654ec285dfbc6fbe1f64bc9a599efa13b01 | 120 |
| TXT | v=spf1 include:_u.chop.edu._spf.smart.ondmarc.com include:spf.protection.outlook.com -all | 120 |
| TXT | 0cb1d4ed-b978-4f18-a695-d4122ee66878 | 120 |
| TXT | openai-domain-verification=dv-12pgeaUYEbk3KUt6yIyOGvgH | 120 |
| TXT | 00DDF00000XRCOG=1TBDF0000004CA;00Dj0000001omsQ=1TBKi000000blKM | 120 |
| TXT | 854e6ab1-dba5-45d4-9f66-24805682df0f | 120 |
| TXT | hcp-domain-verification=2903e6258474d07b5760cd6962a1a927a2f45fe459730da583fcd2af545d4acc | 120 |
| TXT | atlassian-domain-verification=P1IKR5NXLEB2qPRyQcoA3aeMMioDo2inwmt7TKBtnElt0zfHYQKcZlfI3/pwCxpX | 120 |
| TXT | jamf-site-verification=YR0d8WEVOOc2IaUFAyccyg | 120 |
| TXT | apple-domain-verification=pSO9X9Ur2RYCulzn5b2AUs1oENIUjnIOC-ZW2Lqt9jA | 120 |
| TXT | autodesk-domain-verification=FjJ5nzTwJ-1R0XUHtjg0 | 120 |
| TXT | 70399e00-aa0e-4234-a231-7696863bbb6f | 120 |
| AAAA | 2620:12a:8001::3 | 120 |
| AAAA | 2620:12a:8000::3 | 120 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YR1, Let's Encrypt |
| Expires | January 11, 2027 |
| Days remaining | 62 |
| Protocol | TLSv1.3 |
| Names | chop.edu, forms.chop.edu, pathways.chop.edu, www-preview.chop.edu, www.chop.edu, www.pathways.chop.edu |
Email security
AScore 97/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnSPF uses 9 of the 10 allowed DNS lookups. Adding another service may break it.
- warnMTA-STS is in testing mode. Switch to mode: enforce once reports look clean.
- goodSPF record found.
- goodSPF ends with -all: servers you have not listed are rejected (hard fail).
- goodDMARC policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected].
- goodDKIM keys found (selector: selector1, selector2, k1, s1, s2, mandrill).
- good1 MX record(s) found. Mail is handled by Microsoft 365.
- goodTLS-RPT is set up: you receive reports about failed encrypted deliveries.
- goodBIMI record found: supporting inboxes can show your brand logo.
Homepage metadata
| Title | Welcome | Children's Hospital of Philadelphia |
|---|---|
| Language | en |
| Canonical | https://www.chop.edu/ |
| Indexable | Yes |
| Word count | 1106 |
About chop.edu
What technology does chop.edu use?
We detected 10 technologies on chop.edu, including Varnish, Fastly, Drupal, OneTrust, Pantheon, jQuery.
Does chop.edu protect its email with SPF and DMARC?
chop.edu scores 97/100 (grade A) for email security. SPF uses 9 of the 10 allowed DNS lookups. Adding another service may break it. MTA-STS is in testing mode. Switch to mode: enforce once reports look clean.
What are the name servers of chop.edu?
chop.edu uses extdns1.chop.edu, extdns3.chop.edu, zcnplecns001.chop.edu, extdns2.chop.edu, ze2plecns001.chop.edu.